Principal Mechanical Engineer

Assystem GmbH
📍 east midlands, england, United-Kingdom 💼 Full-time 🕒 Posted June 08, 2026

Job Description

Fusion and Modular Nuclear Business Unit

Reporting to the FEED Engineering Manager, you will be responsible for delivering Front Engineering activities for Small Modular Reactors, Advanced Modular Reactors, and Fusion projects.

Responsibilities

  • Deliver Front Engineering activities for Small Modular Reactors, Advanced Modular Reactors, and Fusion projects.
  • Spearhead delivery of cutting‑edge power station systems.
  • Lead optioneering studies to identify the ultimate solution that aligns with client objectives.
  • Lead a dynamic team in crafting and refining key design documents, from Process Flow Diagrams to Equipment Datasheets, ensuring precision and excellence.
  • Direct the development of Design Description Documents and Requirement Specifications to drive innovation and efficiency.
  • Seamlessly integrate developed systems into the broader plant infrastructure for optimal performance.
  • Act as the technical...

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Job Details

  • Location east midlands, england
  • Job Type Full-time
  • Category Engineering
  • Posted Date June 08, 2026
  • Application Deadline July 18, 2026